Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Afrikaans
Arabic
Basque
Catalan
Chinese
Danish
Dutch
Estonian
Finnish
French
German
Greek
Hungarian
Icelandic
Italian
Korean
Norwegian Bokmål
Persian
Polish
Portuguese
Russian
Slovene
Spanish
Swedish
Turkish
Ukrainian
+
G
o
o
g
l
e
|
Forvo
|
+
psi-function
This HTML5 player is not supported by your browser
tech.
psi-functie
f
psi function
This HTML5 player is not supported by your browser
math.
psi-functie
f
;
digamma-functie
f
Add
|
Report an error
|
Get short URL
